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64200323 = 119760169
BaseRepresentation
bin1111010011100…
…1111010000011
311110210201021202
43310321322003
5112413402243
610212011415
71406456645
oct364717203
9143721252
1064200323
113326a720
1219600b6b
13103baa75
148752895
1559824b8
hex3d39e83

64200323 has 8 divisors (see below), whose sum is σ = 70759920. Its totient is φ = 57761280.

The previous prime is 64200317. The next prime is 64200359. The reversal of 64200323 is 32300246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64200323 - 28 = 64200067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64200295 and 64200304.

It is not an unprimeable number, because it can be changed into a prime (64200023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29018 + ... + 31151.

It is an arithmetic number, because the mean of its divisors is an integer number (8844990).

Almost surely, 264200323 is an apocalyptic number.

64200323 is a deficient number, since it is larger than the sum of its proper divisors (6559597).

64200323 is a wasteful number, since it uses less digits than its factorization.

64200323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60277.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 64200323 is about 8012.5104056095. The cubic root of 64200323 is about 400.4169049081.

Adding to 64200323 its reverse (32300246), we get a palindrome (96500569).

The spelling of 64200323 in words is "sixty-four million, two hundred thousand, three hundred twenty-three".

Divisors: 1 11 97 1067 60169 661859 5836393 64200323